80572166 has 8 divisors (see below), whose sum is σ = 121740840. Its totient is φ = 39991888.

The previous prime is 80572159. The next prime is 80572169. The reversal of 80572166 is 66127508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80572169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146756 + ... + 147303.

It is an arithmetic number, because the mean of its divisors is an integer number (15217605).

Almost surely, 2^80572166 is an apocalyptic number.

80572166 is a deficient number, since it is larger than the sum of its proper divisors (41168674).

80572166 is a wasteful number, since it uses less digits than its factorization.

80572166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294198.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 80572166 is about 8976.1999754907. The cubic root of 80572166 is about 431.9117439450.

The spelling of 80572166 in words is "eighty million, five hundred seventy-two thousand, one hundred sixty-six".